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中文摘要：
利用非线性有限元软件ABAQUS，对由钢柱和钢一混凝土组合梁构成的组合框架结构进行三维动力特性和地震作用下的弹塑性时程分析。通过研究该类结构在地震反应全过程中各个时刻的位移、速度、加速度反应及内力，从而确定结构屈服的时间和顺序，发现应力和塑性变形集中的部位，判明结构的屈服机制、薄弱环节以及可能的破坏类型。将分析结果与同刚度的钢筋混凝土框架结构的计算结果进行对比分析，结果表明，钢-混凝土组合框架结构具有良好的抗震性能。
英文摘要：
ABAQUS nonliner FEA program was applied to study the 3D dynamic characteristics and elastic - plastic time history reaction of structure, which was made of steel pole and steel - concrete composite beams. By analysing the whole seismic reaction process including the displacement, velocity, acceleration and internal force of structure, the time of yield and gradation of structure was carried out, the transform concentrated part in response to the stress and the plastic was found out, the yield of mechanism, weak link and possible breakage type of structure was ascertained. Comparing this results with those that have the same stiffness, the steel - concrete composite frame structure aseismatic has a good aseismatic performance.
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